It remains an iconic piece of news footage and now historian Ben MacIntyre, the man behind SAS Rogue Heroes, has been given permission to talk to the men who took part in the operation to end the siege of the Iranian Embassy in London in 1980.

Some of them have never spoken openly about the mission until now and these personal accounts detail the build-up, planning and execution of Operation Nimrod.

Ben MacIntyre talks to Kate Gerbeau about the myths, the legends and ultimately the truth about the most famous and most public SAS endeavour.